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The Sokół 1000 (also known as CWS M111) was the heaviest Polish pre-war motorcycle manufactured by the PZInż works, for both civilian and military use by the Polish Army. Production of the model 1000 started in 1933 and lasted until the outbreak of World War II in 1939. A standard completion was a sidecar combination. ==History== In late 1927 the Polish Army created a specification for a general purpose heavy motorcycle that was to replace the Harley-Davidson motorcycles used until then. By 1932 the Centralne Warsztaty Samochodowe works prepared a short series of roughly 200 CWS M55 motorcycles equipped with a sidecar. The bike itself was based upon the Harley-Davidson, while the engine was almost a direct copy of the Indian. However, the machine proved to be less reliable. In 1931 it was decided at ''Państwowe Zakłady Inżynierii'' to prepare a completely new heavy motorcycle for the use of the Polish Army.〔 Subsidized by the state, the PZInż holding extensively tested and modified the earlier M55 design to fit the specifications. Initially named CWS M III, the new construction was to be reliable, user-friendly, and immune to harsh conditions and bad service. As a result, the final motorcycle was slightly outdated, particularly heavy even as for its class, and expensive, with the civilian version selling for 4,200 złoty, or roughly US$800 or UK£170, a price only slightly lower than that of an average car of the epoch. Nevertheless, the model proved extremely reliable and durable. Production of the 1000 started in 1933 and lasted until the outbreak of World War II in 1939. Mass-produced entirely in Poland (less than 5% of parts were imported), the Sokół 1000 maintained its high quality throughout the production period. Every tenth motorcycle was delivered extensively checked for parameters and all machines were road-trialed before delivery.〔 Its durability proved to be a major advantage and the Sokół 1000 was much faster off-road than many of the previously-used American counterparts. Among the most notable innovations introduced in the Polish construction was a soft sidecar mounting, which allowed for easier handling and greater off-road speed. The Sokół 1000 was also the basis for the Sokół M121 trike prototype, with the sidecar wheel powered. Its engine was also used for railway draisines. File:Sokol 1000 cc 1935.jpg|Military painting File:Sokol 995 cc zijklep v-twin.jpg|995 cc V-twin engine File:Sokół 1000 z CKM przeciwlotniczym.jpg|Ckm wz. 30 mounted on a Sokół 1000 with handle and sights adapted for anti-aircraft fire 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Sokół 1000」の詳細全文を読む スポンサード リンク
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